239 senior software developer jobs at 71 companies in Fountain, CO
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Senior Software Engineer
Colorado Springs, Colorado, United States
OnsiteFull Time
5+ YOESenior software engineer with 5+ years in aerospace/defense, STK experience, TS/SCI eligibility, strong Python/Flask, React, API integration, Docker, cloud.
STK, STK Engine, STK Components, Cesium, Python, Flask, React, REST, Git, Docker, Cloud, MBSE, Digital Thread
3mo
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Senior Software Engineer
Colorado Springs, Colorado, United States
$194k-$262k/yr OnsiteFull Time
10+ YOESeasoned software engineer lead with architecture, mentoring, and delivery across complex, mission-critical systems.
C++, Python, Git, Linux, APIs, Distributed systems, Docker, Kubernetes, Jenkins, GitLab
2mo
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Senior Ground Software Engineer, Space
Colorado Springs or Costa Mesa
$165k-$218k/yr OnsiteFull Time
8+ YOESenior software engineer with 8+ years in languages like Java, Python, C++, Rust; Space C2 experience; clearance eligibility; strong communication.
Go, Rust, C++, Kubernetes, OpenShift, Helm, Python, Java, JavaScript
1mo
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Senior Software Engineer
Colorado Springs, Colorado, United States
$120k-$160k/yr OnsiteFull Time
5+ YOEBachelor's degree and 5+ years' experience, active Secret clearance, experience with C/C++, Java, Python, FORTRAN, and Agile development; ability to develop, test, and deploy software for radar systems.
C/C++, Java, Python, FORTRAN, Agile
20h
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Senior Software Engineer
Colorado Springs, Colorado, United States
$98k-$182k/yr OnsiteFull Time
Requires final secret clearance, U.S. citizenship, proficiency in C++, C, C#, or Java, RHEL, Git, and Linux software development experience.
Java, C++, C, C#, Red Hat Enterprise Linux (RHEL), Git, Linux, JIRA, Confluence, Ansible, Eclipse, Maven, Gradle, Fortify, SonarQube
1w
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Software Engineer, Senior
Aurora or Dayton or Chantilly or El Segundo or Colorado Springs
$87k-$198k/yr OnsiteFull Time
8+ YOERequires 8+ years of software development, technical leadership, distributed systems architecture, Agile, Git, SQL, Python, AWS, Kubernetes, bachelor's degree, and TS/SCI clearance.
Microsoft Internet Explorer, Google Chrome, Mozilla Firefox, Microsoft Edge, Apple Safari, Opera Browser, Blackberry Browser, Git, SQL Server, PostgreSQL, MySQL, Python, AWS, Kubernetes, Docker, Podman, DCO-S
4w
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Senior Software Engineer
Colorado Springs or Beavercreek Township
$116k-$174k/yr OnsiteFull Time
5+ YOEActive U.S. Top Secret/SCI clearance,5+ years software development,4+ years Java or Python,experience with distributed/high-throughput systems,BS in a technical field,mentoring and architecture experience.
Java, Python, MIL-STD-6016, MIL-STD-3011, TDD, CI/CD
1mo
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Senior Software Engineer
Colorado Springs or Boston
$130k-$160k/yr HybridFull Time
5+ YOEUS citizen with active Secret clearance, B.S. in STEM, 5+ years software development with depth in scientific/numerical computing; proficiency in TypeScript/React and a high-performance language; experience with parallelism and CI/CD.
DifferentialEquations.jl, SatelliteToolbox.jl, ONNX.jl, CZML, CesiumJS, Resium, Recharts, Plotly.js, GitHub Actions, PackageCompiler.jl, electron-builder, HTTP.jl, TypeScript, React, Julia, C++, Rust, Fortran, Python, ONNX Runtime
1mo
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Senior Software Engineer
Colorado Springs or Boston
HybridFull Time
5+ YOEUS citizen with active Secret clearance, BS in a STEM field, 5+ years software development experience in scientific/high-performance computing, proficiency with TypeScript/React and Julia or other high-performance languages, parallelism and REST API experience.
TypeScript, React, Julia, C++, Rust, Fortran, Python, NumPy, Numba, Cython, DifferentialEquations.jl, SatelliteToolbox.jl, PackageCompiler.jl, ONNX.jl, ONNX Runtime, CesiumJS, Resium, CZML, Electron, electron-builder, HTTP.jl, GitHub Actions, Recharts, Plotly.js, NSIS, AppImage
1mo
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SENIOR SOFTWARE DEVELOPER/ENGINEER (CLOUD/CYBER)
Huntsville or Aberdeen or Colorado Springs or Crestview or Tupelo
OnsiteFull Time
7+ YOEBS in CS/Software Eng or equivalent, 7+ years software development experience, DoD Top Secret/SCI eligibility, experience with Python, containers, AI/LLMs, databases, Linux, AWS, and Agile/Scrum.
LLMs, Ollama, LM Studio, Python, C#, Go Lang, React, JavaScript, HTML, CSS, Git, Docker, Bash, TensorFlow, PyTorch, SQL, MongoDB, PostgreSQL, Redis, Linux, AWS, RESTful API, Agile/Scrum
1mo
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Senior Engineer I-Software
Colorado Springs, Colorado, United States
$70k-$105k/yr OnsiteFull Time
5+ YOEBachelor's or master's in computer science or related, 5+ years software development, experience with .NET, SQL, enterprise apps, technical leadership and mentoring, ability to work onsite in Colorado Springs and occasional off-hour global meetings.
Microsoft .NET, Visual Studio, C#, ASP.NET, Visual Basic, MVC, Web API, WCF, JavaScript, jQuery, HTML5, CSS3, SQL, Oracle, Microsoft SQL Server, SSRS, SSIS, Microsoft O365, Team Foundation Server, ETL
2mo
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Senior Software Engineer
Colorado Springs, Colorado, United States
$120k-$185k/yr OnsiteFull Time
8+ YOEU.S. citizen with active TS/SCI clearance, Bachelor's in CS/SE/IS/Engineering, 8+ years software engineering experience, RESTful APIs, microservices, cloud-native, Java/Python/C#/JavaScript, Agile/DevSecOps experience.
Java, Python, C#, JavaScript, Kubernetes, RESTful APIs
3w
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Software Engineer Senior
Colorado Springs, Colorado, United States
$93k-$164k/yr OnsiteFull Time
Development experience with Java or JavaScript, containerization (Kubernetes/Helm/Docker/Containerd) in cloud environments, CI/CD, Agile (JIRA/Confluence), US citizenship and ability to obtain/maintain TS/SCI clearance.
GitLab, Kubernetes, Docker, Rancher, Helm, Containerd, AWS, Azure, OpenStack, OpenShift, JIRA, Confluence, Java, JavaScript, Linux, bash, ash, ksh
2mo
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Senior Java Software Engineer – Developer
Herndon or Seal Beach or El Segundo or Colorado Springs
$172k-$232k/yr OnsiteFull Time
5+ YOEBachelor’s degree; Top Secret clearance; 5+ years in Java/C++, Angular/ReactJS, HTML/CSS; experience with software development and configuration management tools; Windows and Linux experience; Agile experience.
Java, C++, Angular, ReactJS, HTML, CSS, DevSecOps, CI/CD, Windows, Linux
1mo
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Senior Software Engineer
Colorado Springs, Colorado, United States
HybridFull Time
5+ YOEBachelor's degree, 5+ years relevant experience, active Secret clearance, experience with C/C++, Java, Python, FORTRAN, and Agile development; real-time embedded/radar experience and agile leadership are desired.
C/C++, Java, Python, FORTRAN, PARCS, UEWR, Agile
3w
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Senior AI Software Solutions Engineer
Colorado Springs, Colorado, United States
$132k-$221k/yr OnsiteFull Time
8+ YOEBachelor/Master in CS/EE/Data Science,8+ years software development with 3+ senior-level,measurement-domain knowledge (oscilloscopes,BERTs,AWGs),proficiency in C++,C#,Rust,Python,Java,Git and CI/CD,US-person authorization.
C++, C#, Rust, Python, Java, Git, CI/CD, LangGraph, AutoGen, CrewAI, Semantic Kernel, SHAP, LIME
1w
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Software Developer
Colorado Springs, Colorado, United States
$87k-$198k/yr OnsiteFull Time
5+ YOE5+ years software development experience in Java, C++, C, or Python; experience analyzing structured and unstructured data; bachelor\u0002s degree in STEM; active TS/SCI clearance; Git and version control experience.
Java, C++, C, Python, AnyLogic, ExtendSim, Plotly, Seaborn, ggplot2, Git
2mo
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Senior Software Engineer
Warrenton or Colorado Springs or Florida
$110k-$150k/yr HybridFull Time
5+ YOEActive Secret clearance and US citizenship required; 5+ years systems engineering; Bachelor's in CS or equivalent; strong Python (asyncio), C++ (C++17/20), pybind11/Cython, Kubernetes/Docker, Linux internals, CI/CD (ArgoCD, GitHub Actions), Prometheus/Grafana.
Python, asyncio, C++, pybind11, Cython, Kubernetes, Docker, ArgoCD, GitHub Actions, Prometheus, Grafana, CMake, GitLab CI/CD
2mo
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Senior Java Software Engineer – Developer
Herndon or Seal Beach or El Segundo or Colorado Springs
$161k-$232k/yr OnsiteFull Time
5+ YOEBachelor’s degree; Top Secret clearance; 5+ years in Java/C++, Angular/ReactJS; experience on Windows and Linux; Agile development.
Java, C++, Angular, React, HTML, CSS, CI/CD
2w
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Software Engineer
Colorado Springs, Colorado, United States
$110k-$120k/yr OnsiteFull Time
5+ YOEBachelor's degree,5+ years relevant experience,active Secret clearance,experience with C++,Linux,real-time embedded software,Agile development,ability to support system integration and testing.
C++, Linux
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